body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
}
header {
    background: #2c3e50;
    color: white;
    padding: 10px 0;
}
header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}
header nav a {
    margin: 0 10px;
    color: white;
    text-decoration: none;
}
.hero, .ads {
    text-align: center;
    padding: 30px 20px;
}
.hero {
    background: #3498db;
    color: white;
}
.products {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    padding: 20px;
}
.product {
    background: #fff;
    padding: 15px;
    border-radius: 10px;
    width: 220px;
    text-align: center;
    box-shadow: 0 0 8px rgba(0,0,0,0.1);
}
.product img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}
.product-detail {
    width: 60%;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
}
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 15px 0;
    margin-top: 40px;
}
form {
    width: 300px;
    margin: 20px auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
}
input, textarea {
    width: 100%;
    margin-bottom: 10px;
    padding: 8px;
}
button {
    background: #3498db;
    color: #fff;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
}
@keyframes scroll-left {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}